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Polymorphism with gson
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This is a bit late but I had to do exactly the same thing today. So, based on my research and when using gson-2.0 you really don't want to use the registerTypeHierarchyAdapter method, but rather the more mundane registerTypeAdapter. And you certainly don't need to do instanceofs or write adapt...
Multiple columns index when using the declarative ORM extension of sqlalchemy
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those are just Column objects, index=True flag works normally:
class A(Base):
__tablename__ = 'table_A'
id = Column(Integer, primary_key=True)
a = Column(String(32), index=True)
b = Column(String(32), index=True)
if you'd like a composite index, again Table is present here as u...
Why doesn't Haskell's Prelude.read return a Maybe?
...Edit: As of GHC 7.6, readMaybe is available in the Text.Read module in the base package, along with readEither: http://hackage.haskell.org/packages/archive/base/latest/doc/html/Text-Read.html#v:readMaybe
Great question! The type of read itself isn't changing anytime soon because that would break ...
Difference between static STATIC_URL and STATIC_ROOT on Django
...d of STATIC_URL method, and the bug was gone. Good call on the suggestions based on versions.
– User
Jun 29 '14 at 15:08
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
... end up being very similar in practice because they both are event message based: See my answer to RabbitMQ vs Akka.
If you're going to code only for the JVM then Akka is probably a good choice. Otherwise I would use RabbitMQ.
Also if you're a Scala developer, then Akka should be a no-brainer. How...
Unit Testing bash scripts
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There is actually a shunit2, an xUnit based unit test framework for Bourne based shell scripts. I haven't used it myself, but it might be worth checking out.
Similar questions have been asked before:
Unit Testing for Shell Scripts
Test Anything Protocol in Sh...
Status bar won't disappear
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You should add this value to plist: "View controller-based status bar appearance" and set it to "NO".
This will enable you to set the status bar to hidden mode. This sets it to a global unlike other provided answers.
UPDATE: If you want that the status bar would be hidden on ...
How to Parse Command Line Arguments in C++? [duplicate]
... Alternatively, if you can't use boost for some reason then the standard c based "getopt" function will also get the job done.
– Matt
Jul 16 '09 at 2:47
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JSON, REST, SOAP, WSDL, and SOA: How do they all link together
...d XML, are functionally equivalent, and common choices. There are also RPC-based frameworks like GRPC based on Protobufs, and Apache Thrift that can be used for communication between the API producers and consumers. The most common format used by web APIs is JSON because of it is easy to use and par...
How do you diff a directory for only files of a specific type?
...=PATTERN' option. This option ignores any files
or subdirectories whose base names match the shell pattern PATTERN.
Unlike in the shell, a period at the start of the base of a file name
matches a wildcard at the start of a pattern. You should enclose
PATTERN in quotes so that the shell doe...